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HD Quiz vulnerabilities
HD Quiz has 3 known vulnerabilities in this database. The most recent published record is dated 27 Jun 2026.
- Known vulnerabilities
- 3
- Active installs
- 6,000+
- Latest version
- 2.2.3
- Last updated
- 28 Sep 2026
- Most recent
- 27 Jun 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site request forgery (CSRF) CVE-2026-13422 | Medium 4.3 | Not yet published | Check for an update | 27 Jun 2026 |
| Cross-site scripting (XSS) CVE-2024-13383 | Medium 4.8 | Before 2.0.0 | Fixed in 2.0.0 | 15 May 2025 |
| Cross-site scripting (XSS) CVE-2021-24571 | Medium 5.4 | Before 1.8.4 | Fixed in 1.8.4 | 23 Aug 2021 |
Read the published descriptions
- CVE-2026-13422, 27 Jun 2026
- The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. CVE record
- CVE-2024-13383, 15 May 2025
- The HD Quiz WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup). CVE record
- CVE-2021-24571, 23 Aug 2021
- The HD Quiz WordPress plugin before 1.8.4 does not escape some of its Answers before outputting them in attribute when generating the Quiz, which could lead to Stored Cross-Site Scripting issues CVE record
What to do if you run HD Quiz
If you run HD Quiz, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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